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A066602 4^n mod n. +0
2
0, 0, 1, 0, 4, 4, 4, 0, 1, 6, 4, 4, 4, 2, 4, 0, 4, 10, 4, 16, 1, 16, 4, 16, 24, 16, 1, 4, 4, 16, 4, 0, 31, 16, 9, 28, 4, 16, 25, 16, 4, 22, 4, 36, 19, 16, 4, 16, 18, 26, 13, 48, 4, 28, 34, 16, 7, 16, 4, 16, 4, 16, 1, 0, 49, 4, 4, 52, 64, 46, 4, 64, 4, 16, 49 (list; graph; listen)
OFFSET

1,5

EXAMPLE

a(7) = 4 as 4^7 = 16384=7*2340 + 4.

MAPLE

seq(irem(4^n, n), n=1..75); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Apr 20 2008

MATHEMATICA

Table[PowerMod[4, i, i], {i, 50}]

CROSSREFS

Adjacent sequences: A066599 A066600 A066601 this_sequence A066603 A066604 A066605

Sequence in context: A055620 A072420 A023530 this_sequence A073816 A084452 A052283

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Dec 22 2001

EXTENSIONS

More terms from Harvey P. Dale (hpd1(AT)nyu.edu) and Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 23 2001

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Last modified October 6 12:54 EDT 2008. Contains 144667 sequences.


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